public void ReadA(Stream s)
{
asciiReader = new StreamReader(s);
Meshes.Add(new MeshBuilder(true, true));
Materials.Add(MaterialHelper.CreateMaterial(Brushes.Blue));
while (!asciiReader.EndOfStream)
{
var line = asciiReader.ReadLine().Trim();
if (line.Length == 0 || line.StartsWith("\0") || line.StartsWith("#") || line.StartsWith("!") || line.StartsWith("$"))
{
continue;
}
string id, values;
SplitLine(line, out id, out values);
switch (id)
{
case "solid":
break;
case "facet":
ReadTriangleA(values);
break;
case "endsolid":
break;
}
}
asciiReader.Close();
}
public void UpdateModel()
{
CreateGeometry();
var c = new Model3DGroup();
var mat = MaterialHelper.CreateMaterial(Fill);
double l = HeadLength * Diameter;
for (int i = 0; i < Positions.Count; i++)
{
var p = Positions[i];
var d = Directions[i];
var headModel = new GeometryModel3D
{
Geometry = _head,
Material = mat,
Transform = CreateHeadTransform(p + d, d)
};
c.Children.Add(headModel);
var u = d;
u.Normalize();
var bodyModel = new GeometryModel3D
{
Geometry = _body,
Material = mat,
Transform = CreateBodyTransform(p, u * (1.0 - l / d.Length))
};
c.Children.Add(bodyModel);
}
_element.Content = c;
}
private static void FillChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var el = (MeshElement3D)d;
el.Material = MaterialHelper.CreateMaterial(el.Fill);
el.BackMaterial = el.Material;
}
public override object ProvideValue(System.IServiceProvider serviceProvider)
{
var diffuse = new SolidColorBrush(color);
var specular = BrushHelper.CreateGrayBrush(SpecularIntensity);
return(MaterialHelper.CreateMaterial(diffuse, null, specular, Opacity, SpecularPower));
}
protected void MaterialChanged()
{
if (!_doUpdates)
{
return;
}
GeometryModel3D model = Model;
if (model == null)
{
return;
}
if (Material == null)
{
// use a default blue material
model.Material = MaterialHelper.CreateMaterial(Brushes.Blue);
}
else
{
model.Material = Material;
}
// the back material may be null (invisible)
model.BackMaterial = BackMaterial;
}
private Material GetMaterial(string materialName)
{
MaterialDefinition mat;
if (Materials.TryGetValue(materialName, out mat))
{
return(mat.GetMaterial(TexturePath));
}
return(MaterialHelper.CreateMaterial(Brushes.Gold));
}
private void addFace(Vector3D normal, Vector3D up, Brush b, string text)
{
var grid = new Grid {
Width = 20, Height = 20
};
grid.Background = b;
grid.Children.Add(new TextBlock
{
Text = text,
VerticalAlignment = VerticalAlignment.Center,
HorizontalAlignment = HorizontalAlignment.Center,
FontSize = 15,
Foreground = Brushes.White
});
grid.Arrange(new Rect(new Point(0, 0), new Size(20, 20)));
var bmp = new RenderTargetBitmap((int)grid.Width, (int)grid.Height, 96, 96, PixelFormats.Default);
bmp.Render(grid);
Material material = MaterialHelper.CreateMaterial(new ImageBrush(bmp));
double a = Size;
var builder = new MeshBuilder();
builder.AddCubeFace(Center, normal, up, a, a, a);
var geometry = builder.ToMesh();
geometry.Freeze();
var model = new GeometryModel3D()
{
Geometry = geometry, Material = material
};
var element = new ModelUIElement3D()
{
Model = model
};
element.MouseLeftButtonDown += face_MouseLeftButtonDown;
//element.MouseEnter += face_MouseEnter;
//element.MouseLeave += face_MouseLeave;
_normal.Add(element, normal);
_up.Add(element, up);
Children.Add(element);
}
public void UpdateModel()
{
CreateGeometry();
var c = new Model3DGroup();
Material mat = MaterialHelper.CreateMaterial(Fill);
for (int i = 0; i < Positions.Count; i++)
{
Point3D p0 = Positions[i];
var sphereModel = new GeometryModel3D();
sphereModel.Geometry = _sphere;
sphereModel.Material = mat;
sphereModel.Transform = new TranslateTransform3D(p0.X, p0.Y, p0.Z);
c.Children.Add(sphereModel);
}
_element.Content = c;
}
public override void Calculate(TerrainModel model, MeshGeometry3D mesh)
{
var normals = MeshGeometryHelper.CalculateNormals(mesh);
var texcoords = new PointCollection();
for (int i = 0; i < normals.Count; i++)
{
double slopedir = Math.Atan2(normals[i].Y, normals[i].X) * 180 / Math.PI;
if (slopedir < 0)
{
slopedir += 360;
}
double u = slopedir / 360;
texcoords.Add(new Point(u, u));
}
TextureCoordinates = texcoords;
Material = MaterialHelper.CreateMaterial(Brush);
}
public void UpdateModel()
{
CreateGeometry();
var c = new Model3DGroup();
var mat = MaterialHelper.CreateMaterial(Fill);
for (int i = 0; i < Segments; i++)
{
var p0 = Positions[SegmentIndices[i * 2]];
var p1 = Positions[SegmentIndices[i * 2 + 1]];
var d = p1 - p0;
var tubeModel = new GeometryModel3D
{
Geometry = _tube,
Material = mat,
Transform = CreateSegmentTransform(p0, d)
};
c.Children.Add(tubeModel);
}
_element.Content = c;
}
public void ReadB(Stream s)
{
long length = binaryReader.BaseStream.Length;
if (length < 84)
{
throw new FileFormatException("Incomplete file");
}
String header = ReadHeaderB();
UInt32 numberTriangles = ReadNumberTrianglesB();
index = 0;
Meshes.Add(new MeshBuilder(true, true));
Materials.Add(MaterialHelper.CreateMaterial(Brushes.Blue));
for (int i = 0; i < numberTriangles; i++)
{
ReadTriangleB();
}
binaryReader.Close();
}
public override void Calculate(TerrainModel model, MeshGeometry3D mesh)
{
var normals = MeshGeometryHelper.CalculateNormals(mesh);
var texcoords = new PointCollection();
var up = new Vector3D(0, 0, 1);
for (int i = 0; i < normals.Count; i++)
{
double slope = Math.Acos(Vector3D.DotProduct(normals[i], up)) * 180 / Math.PI;
double u = slope / 40;
if (u > 1)
{
u = 1;
}
if (u < 0)
{
u = 0;
}
texcoords.Add(new Point(u, u));
}
TextureCoordinates = texcoords;
Material = MaterialHelper.CreateMaterial(Brush);
}
private void ReadTriangleA(String normal)
{
Vector3D n = ParseNormalA(normal);
ReadLineA("outer");
Point3D v1 = ReadVertexA();
Point3D v2 = ReadVertexA();
Point3D v3 = ReadVertexA();
ReadLineA("endloop");
ReadLineA("endfacet");
if (Materials.Count < index + 1)
{
Materials.Add(MaterialHelper.CreateMaterial(Brushes.Blue));
}
if (Meshes.Count < index + 1)
{
Meshes.Add(new MeshBuilder(true, true));
}
Meshes[index].AddTriangle(v1, v2, v3);
}
private void ReadSurface(int size)
{
Surfaces = new Collection <string>();
Meshes = new Collection <MeshBuilder>();
Materials = new Collection <Material>();
string name = ReadString(size);
var names = name.Split('\0');
for (int i = 0; i < names.Length; i++)
{
string n = names[i];
Surfaces.Add(n);
Meshes.Add(new MeshBuilder());
Materials.Add(MaterialHelper.CreateMaterial(Brushes.Blue));
// If the length of the string (including the null) is odd, an extra null byte is added.
// Then skip the next empty string.
if ((n.Length + 1) % 2 == 1)
{
i++;
}
}
}
private void ReadTriangleB()
{
Color current;
bool hasColor = false;
bool sameColor = true;
float ni = ReadFloatB();
float nj = ReadFloatB();
float nk = ReadFloatB();
Vector3D n = new Vector3D(ni, nj, nk);
float v1x = ReadFloatB();
float v1y = ReadFloatB();
float v1z = ReadFloatB();
Point3D v1 = new Point3D(v1x, v1y, v1z);
float v2x = ReadFloatB();
float v2y = ReadFloatB();
float v2z = ReadFloatB();
Point3D v2 = new Point3D(v2x, v2y, v2z);
float v3x = ReadFloatB();
float v3y = ReadFloatB();
float v3z = ReadFloatB();
Point3D v3 = new Point3D(v3x, v3y, v3z);
//UInt16 attrib = ReadUInt16();
var attrib = Convert.ToString(ReadUInt16B(), 2).PadLeft(16, '0').ToCharArray();
hasColor = attrib[0].Equals('1');
if (hasColor)
{
int blue = attrib[15].Equals('1') ? 1 : 0;
blue = attrib[14].Equals('1') ? blue + 2 : blue;
blue = attrib[13].Equals('1') ? blue + 4 : blue;
blue = attrib[12].Equals('1') ? blue + 8 : blue;
blue = attrib[11].Equals('1') ? blue + 16 : blue;
int b = blue * 8;
int green = attrib[10].Equals('1') ? 1 : 0;
green = attrib[9].Equals('1') ? green + 2 : green;
green = attrib[8].Equals('1') ? green + 4 : green;
green = attrib[7].Equals('1') ? green + 8 : green;
green = attrib[6].Equals('1') ? green + 16 : green;
int g = green * 8;
int red = attrib[5].Equals('1') ? 1 : 0;
red = attrib[4].Equals('1') ? red + 2 : red;
red = attrib[3].Equals('1') ? red + 4 : red;
red = attrib[2].Equals('1') ? red + 8 : red;
red = attrib[1].Equals('1') ? red + 16 : red;
int r = red * 8;
current = Color.FromRgb(Convert.ToByte(r), Convert.ToByte(g), Convert.ToByte(b));
sameColor = Color.Equals(last, current);
if (!sameColor)
{
last = current;
index++;
}
if (Materials.Count < index + 1)
{
Materials.Add(MaterialHelper.CreateMaterial(current));
}
}
else
{
if (Materials.Count < index + 1)
{
Materials.Add(MaterialHelper.CreateMaterial(Brushes.Blue));
}
}
if (Meshes.Count < index + 1)
{
Meshes.Add(new MeshBuilder(true, true));
}
Meshes[index].AddTriangle(v1, v2, v3);
}
public Group(string name)
{
Name = name;
Material = MaterialHelper.CreateMaterial(Brushes.Green);
MeshBuilder = new MeshBuilder();
}